Russia relies on companies including Exxon Mobil Corp., BP Plc, Halliburton Co. and Schlumberger Ltd. for the latest technology and expertise it needs to develop an estimated $7.58 trillion in oil and natural gas resources that sprawl across nine time zones.

Infrastructure investment in India is a long-term theme, and is going to require a lot of raw materials and fuel sources. It's one thing to generate power; it's another thing to actually distribute that power.

Hydraulic fracturing and horizontal drilling have unlocked shale deposits of oil across the U.S., and drilling efficiencies have helped boost rig yields to record volumes from the Permian to North Dakota’s Bakken play.

Natural gas futures climbed for a sixth day in New York, heading for the longest bullish streak in more than a year, as meteorologists predicted colder-than-normal weather that would stoke heating-fuel demand.